ORA-01102 cannot mount database in EXCLUSIVE mode ?

From: EVGENY <ezhitomirsky_at_yahoo.com>
Date: Tue, 14 Dec 1999 20:18:32 -0500
Message-ID: <s5dr1gbjqrs145@corp.supernews.com>

Hi, gurus!
I started Instance Manager, it started in 'no mount' state (usually 'open' state). When I try to switch to 'open' or 'mount' I get message: "ORA-01102 cannot mount database in EXCLUSIVE mode". What can I do? Why could it happen?
Thanks.
Evgeny Received on Tue Dec 14 1999 - 19:18:32 CST